<template>
  <div>
    <!-- 面包屑导航区-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--卡片视图区   -->
    <el-card>
      <!--      123-->
      <!-- 搜索与添加区域  row 为栅格布局 :gutter表示格与格的间隔 col表示行且 :span表示占了几个格子 一共24个  -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容"
                    v-model="querryInfo.query"
                    clearable
                    @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!--    用户列表区   -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index" label="序号"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <!--          <template v-slot:default="scope">-->
            <!--            {{scope.row}}  作用域插槽-->
            <el-switch v-model="scope.row.mg_state" @change="userStateChange(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!--            修改按钮  scope.row.id获取当前用户的id-->
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
            <!--            删除按钮-->
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
            <!--   分配角色按钮-->
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" size="mini"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!--      分页区域-->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="querryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="querryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
      <!--    添加用户的基本对话框  -->
      <el-dialog
        title="添加用户"
        :visible.sync="addDialogVisible"
        width="30%"
        @close="addDialogClosed">
        <!--        内容主体区-->
        <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="80px">
          <el-form-item label="用户名称" prop="username">
            <el-input v-model="addForm.username"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password"></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <!--        底部区域-->
        <span slot="footer" class="dialog-footer">
    <el-button @click="addDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="addUser">确 定</el-button>
  </span>
      </el-dialog>
      <!-- 修改用户的对话框-->
      <el-dialog
        title="修改用户"
        :visible.sync="editDialogVisible"
        width="50%"
        @close="editDialogClosed">
        <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
          <el-form-item label="用户名">
            <el-input v-model="editForm.username" disabled></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="editForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机号" prop="mobile">
            <el-input v-model="editForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
           <el-button @click="editDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="editUserInfo">确 定</el-button>
         </span>
      </el-dialog>
    </el-card>
  </div>
</template>

<script>
export default {
  name: 'Users',
  data () {
    // 验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      // 验证邮箱的正则
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
      if (regEmail.test(value)) {
        // 合法邮箱
        return cb()
      }
      cb(new Error('请输入合法的邮箱'))
    }
    // 验证手机号的规则
    var checkMobile = (rule, value, cb) => {
      // 验证手机号的正则
      const regMoile = /^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if (regMoile.test(value)) {
        // 合法手机号
        return cb()
      }
      cb(new Error('请输入合法的手机号'))
    }
    return {
      // 获取用户列表的参数对象
      querryInfo: {
        query: '',
        // 当前的页数
        pagenum: 1,
        // 当前每页显示多少条数据
        pagesize: 2
      },
      userlist: [],
      total: 0,
      // 控制添加用户的对话框的显示和隐藏
      addDialogVisible: false,
      // 添加用户的表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      // 添加表单的验证规则对象
      addFormRules: {
        username: [{
          required: true,
          message: '请输入用户名',
          trigger: 'blur'
        },
        {
          min: 3,
          max: 10,
          message: '用户名的长度在3到10个字符之间',
          trigger: 'blur'
        }],
        password: [{
          required: true,
          message: '请输入密码',
          trigger: 'blur'
        },
        {
          min: 6,
          max: 15,
          message: '用户名的长度在6到15个字符之间',
          trigger: 'blur'
        }
        ],
        email: [{
          required: true,
          message: '请输入邮箱',
          trigger: 'blur'
        },
        {
          validator: checkEmail,
          trigger: 'blur'
        }
        ],
        mobile: [{
          required: true,
          message: '请输入手机号',
          trigger: 'blur'
        },
        {
          validator: checkMobile,
          trigger: 'blur'
        }]
      },
      // 控制修改用户对话框的显示与隐藏
      editDialogVisible: false,
      // 定义私有对象  查询到的用户信息对象
      editForm: {},
      // 修改表单的验证规则对象
      editFormRules: {
        email: [{
          required: true,
          message: '请输入用户邮箱',
          trigger: 'blur'
        }, {
          validator: checkEmail, trigger: 'blur'
        }],
        mobile: [{
          required: true,
          message: '请输入用户手机号',
          trigger: 'blur'
        }, {
          validator: checkMobile, trigger: 'blur'
        }]
      }
    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    async getUserList () {
      // eslint-disable-next-line no-unused-vars
      const { data: res } = await this.$http.get('users', { params: this.querryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败')
      }
      this.userlist = res.data.users
      this.total = res.data.total
      console.log(res)
    },
    // 监听 pageSize 改变
    handleSizeChange (newSize) {
      // console.log(newSize)
      this.querryInfo.pagesize = newSize
      // 重新获取数据
      this.getUserList()
    },
    //  监听表示页码值发生改变
    handleCurrentChange (newPage) {
      console.log(newPage)
      this.querryInfo.pagenum = newPage
      // 重新获取数据
      this.getUserList()
    },
    // 监听switch 开关的状态
    async userStateChange (userinfo) {
      console.log(userinfo)
      const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state} `)
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败')
      }
      this.$message.success('更新用户状态成功')
      console.log(res)
    },
    // 监听用户对话框关闭事件->表单ref引用，启动resetFields
    addDialogClosed () {
      this.$refs.addFormRef.resetFields()
    },
    // 点击按钮， 添加新用户
    addUser () {
      this.$refs.addFormRef.validate(async valid => {
        // console.log(valid)
        // eslint-disable-next-line no-useless-return
        if (!valid) return
        // 可以发起用户的网络请求
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) {
          this.$message.error('添加用户失败')
        }
        this.$message.success('添加用户成功')
        // 隐藏对话框
        this.addDialogVisible = false
        // 重新获取数据列表
        this.getUserList()
      })
    },
    // 展示用户编辑的对话框
    async showEditDialog (id) {
      // console.log(id)
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败')
      }
      this.editForm = res.data
      this.editDialogVisible = true
    },
    // 监听修改用户对话框的关闭事件
    editDialogClosed() {
      this.$refs.editFormRef.resetFields()
    },
    // 修改用户信息并提交校验成功返回true
    editUserInfo() {
      this.$refs.editFormRef.validate(async valid => {
        // console.log(valid)
        // eslint-disable-next-line no-useless-return
        if (!valid) return
        // 发起修改用户信息的数据请求
        const { data: res } = await this.$http.put('users/' + this.editForm.id, {
          email: this.editForm.email,
          mobile: this.editForm.mobile
        })
        if (res.meta.status !== 200) {
          return this.$message.error('更新用户信息失败!')
        }
        // 关闭对话框
        this.editDialogVisible = false
        // 刷新数据列表
        this.getUserList()
        // 提示修改成功
        this.$message.success('更新用户信息成功')
      })
    },
    // 根据id删除用户信息
    async removeUserById(id) {
      // 弹框询问用户是否删除数据
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      // 如果返回值时 promise 就可以用 async 和 await
      // 如果用户确认删除 则返回值 为 字符串 confrim
      // catch 捕获用户的取消行为
      // 如果用户取消删除 则返回值为字符串cancel
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      // console.log('确认删除')
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败!')
      }
      this.$message.success('删除用户成功!')
      this.getUserList()
    }
  }
}
</script>

<style scoped>

</style>
